Nearly eight years after a Custer man vanished from his home in the early morning hours of November 16, 2018, the Whatcom County Sheriff's Office is again asking the public for help. The agency renewed its appeal for tips this week in the cold case disappearance of Billy Joe Darwin, 39 at the time he went missing, and says it believes someone in the community may have information that has never been shared with investigators.
What Is Known About the Disappearance
Darwin was last seen at his home on Valley View Road in Custer, a small rural community in northern Whatcom County near the Birch Bay and Blaine area. Family members noticed he was missing around 4:30 in the morning on November 16, 2018, and reported his disappearance to authorities later that same day.
At the time he went missing, Darwin was described as 5 feet 10 inches tall, weighing 121 pounds, with brown hair and hazel eyes. He was last known to be wearing a blue hooded sweatshirt, gray pants, a brown coat, and black shoes. No vehicle or personal belongings connected to him have been publicly reported as found in the years since.
Sheriff's office spokesperson Deb Slater confirmed this week that no specific new development prompted the renewed public outreach on Monday, September 14. Rather, the agency reviews cold cases based on available investigative resources and periodically makes public appeals in hopes that new tips will surface. "Even the smallest detail could be important," the Sheriff's Office noted in its appeal, asking anyone with knowledge of Darwin's whereabouts or the circumstances of his disappearance to come forward.
Custer and the Northern Whatcom Landscape
Custer sits in the flatlands of northern Whatcom County, between Ferndale and Blaine, in an area characterized by rural residential properties, agricultural land, and patches of wooded terrain near the Nooksack River delta. Valley View Road runs through this landscape, a part of the county where properties are spread out and neighbors may not see one another regularly. The semi-rural character of the area means that a person could be present or absent for some time without attracting notice.
Missing person cases in rural areas present particular challenges for investigators. There is often limited surveillance infrastructure, fewer witnesses to interview, and a wide geographic area to consider. In Darwin's case, investigators have had nearly eight years to follow leads, but the case remains open, which suggests that despite those efforts, key questions remain unanswered.
The Whatcom County Sheriff's Office handles law enforcement for unincorporated areas of the county, including Custer and the surrounding communities. Cold case investigations like this one fall under the agency's detective division, which handles major crimes and long-term investigations alongside day-to-day patrol and emergency response responsibilities.
How Cold Case Appeals Work
Public appeals in cold cases serve several functions. They keep the case in community awareness, which matters because memories and circumstances change over time. Someone who witnessed something in 2018 but was reluctant to come forward at the time may feel differently years later. A relationship that made someone hesitant to share information may have ended. A person who had indirect knowledge may now understand more fully what they saw or heard.
Law enforcement agencies also use public appeals to signal to anyone who might have been involved that the case is still active. Even years after a disappearance, the renewal of official attention can prompt people to reconsider what they know.
The Sheriff's Office has referenced case number 18A41353 in its tip requests, which gives investigators a way to link any incoming information directly to the Darwin file. Anonymous tips are accepted, and the agency's tip line is staffed to receive information from people who may be willing to share what they know without being identified publicly.
How to Share Information
Anyone with information about Billy Joe Darwin's disappearance or whereabouts is asked to contact the Whatcom County Sheriff's Office tip line at 360-778-6663 and reference case number 18A41353. The tip line accepts calls at any time, and callers are not required to give their name. Even information that seems minor or incomplete can be valuable to investigators who have a fuller picture of the case than what has been made public.
The family of Billy Joe Darwin has now lived with unanswered questions for nearly eight years. For investigators, community members, and family alike, the hope is that someone, somewhere in Whatcom County, holds a piece of information that could finally bring clarity to what happened on Valley View Road in the early hours of that November morning in 2018. If you know something, the Sheriff's Office is asking you to call. Prior local coverage of missing persons cases and community safety in Whatcom County can be found in earlier reporting on investigations across the county.
